201646390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{25819}}^1$

素因数の和:25908

約数の個数: 32

約数和(自身を含む): 401552640

約数和(自身を除く): 199906250

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 25819, 51638, 129095, 258190, 284009, 568018, 1420045, 1833149, 2840090, 3666298, 9165745, 18331490, 20164639, 40329278, 100823195, 201646390]

約数ペア:

[(1, 201646390), (2, 100823195), (5, 40329278), (10, 20164639), (11, 18331490), (22, 9165745), (55, 3666298), (71, 2840090), (110, 1833149), (142, 1420045), (355, 568018), (710, 284009), (781, 258190), (1562, 129095), (3905, 51638), (7810, 25819)]